Updated duration generator to handle any duration value (less than DURATION_RESOLUTION of course)
Fixed invalid access location of DURATION_RESOLUTION.

Added fractional output for decimal values for fractionalDurationToVexFlowDuration to fix failing Rest rendering test case.
Added general testing facade to TestSuite.

Added unit tests for new duration algorithm.
Update test-data.js

Consolidated tests.
fractionDurationToVexFlowDuration now returns null for values < 1
Merge pull request #2 from cgamache/duration-fix

Updated duration generator to handle any duration value